Geological setting of late Oxfordian to Hauterivian sediments of northern regions of West Siberia is considered. Basic depositional models for different stages of the cyclothem formation in the West Siberian basin are shown.
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The author examines the possibility of gas-saturated intervals selection on the base of a standard logging in complex terrigenous reservoir. The express-method was developed to improve the reliability of determining gasoil contact.
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Development and comissioning of immersion oil-production equipment with the increased resistance to the action of abrasive particles, whose construction is maximally standardized with the series oil production equipment, used in Surgutneftegas OJSC, are considered. The developed construction at present passes the procedure of obtaining patent on useful model. The electric centrifugal pumps, manufactured on the developed project, are applied in industry at the fields of Surgutneftegas OJSC. Their time to failure according to the results on November 2014 is by 22-24% higher than mean time to failure of series equipment, and for the wells, complicated by the increased quantity of solid particles in the formation fluid, an increase in the operating time exceeds 100%.
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The features of the geological structure of separate deposits Frolovskaya oil and gas field in Western Siberia. Based on a complex analysis of seismic, well testing data and core descriptions proposed fractal model of prolific areas related to the activity of local areas of geodynamics. The main way of exploration of such hydrocarbon deposits is a 3D-seismic survey in conjunction with the field and core research.
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This article is devoted to a technique of lithology cube constructing for receiving geologically reliable result of collectors' distribution under low density of well network, by means of approach that includes complexation of stochastic and deterministic methods. Additionally, in the following work has been explored the technique of constructing of the synthetic 3D cube of facies and in its geometry has been integrated the algorithm of smooth transition to the shale line with the use of a cube under condition of sandiness spreading.
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